What’s Vulnerable › Vulnerabilities

CVE-2018-20004

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-10 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue has been found in Mini-XML (aka mxml) 2.12. It is a stack-based buffer overflow in mxml_write_node in mxml-file.c via vectors involving a double-precision floating point number and the '<order type="real">' substring, as demonstrated by testmxml.

Affected products

• Debian Linux: 8.0
• Fedoraproject Fedora: 28, 29
• Mini-Xml Project Mini-Xml: 2.12

References

• https://github.com/fouzhe/security/tree/master/mxml#stack-buffer-overflow-in-function-mxml_write_node
• https://github.com/michaelrsweet/mxml/issues/233
• https://lists.debian.org/debian-lts-announce/2019/01/msg00018.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/
• https://github.com/fouzhe/security/tree/master/mxml#stack-buffer-overflow-in-function-mxml_write_node
• https://github.com/michaelrsweet/mxml/issues/233
• https://lists.debian.org/debian-lts-announce/2019/01/msg00018.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/

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